flake.lock: Update

Flake lock file updates:

• Updated input 'nixos-unstable':
    'github:NixOS/nixpkgs/52ec9ac3b12395ad677e8b62106f0b98c1f8569d' (2024-07-28)
  → 'github:NixOS/nixpkgs/9f918d616c5321ad374ae6cb5ea89c9e04bf3e58' (2024-07-31)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/12bf09802d77264e441f48e25459c10c93eada2e' (2024-07-29)
  → 'github:NixOS/nixpkgs/05405724efa137a0b899cce5ab4dde463b4fd30b' (2024-08-01)
• Updated input 'nur':
    'github:nix-community/NUR/6f645601159190be1c1ecddf14e738d2de45f6b6' (2024-07-31)
  → 'github:nix-community/NUR/ac1226f223779364c73f1a450654383768dab1b7' (2024-08-03)

flake.lock

@@ -210,11 +210,11 @@
     },
     "nixos-unstable": {
       "locked": {
-        "lastModified": 1722185531,
-        "narHash": "sha256-veKR07psFoJjINLC8RK4DiLniGGMgF3QMlS4tb74S6k=",
+        "lastModified": 1722421184,
+        "narHash": "sha256-/DJBI6trCeVnasdjUo9pbnodCLZcFqnVZiLUfqLH4jA=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "52ec9ac3b12395ad677e8b62106f0b98c1f8569d",
+        "rev": "9f918d616c5321ad374ae6cb5ea89c9e04bf3e58",
         "type": "github"
       },
       "original": {
@@ -258,11 +258,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1722221733,
-        "narHash": "sha256-sga9SrrPb+pQJxG1ttJfMPheZvDOxApFfwXCFO0H9xw=",
+        "lastModified": 1722519197,
+        "narHash": "sha256-VEdJmVU2eLFtLqCjTYJd1J7+Go8idAcZoT11IewFiRg=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "12bf09802d77264e441f48e25459c10c93eada2e",
+        "rev": "05405724efa137a0b899cce5ab4dde463b4fd30b",
         "type": "github"
       },
       "original": {
@@ -274,11 +274,11 @@
     },
     "nur": {
       "locked": {
-        "lastModified": 1722450628,
-        "narHash": "sha256-El3ogv9x+0NMglw/cavXyWZAgoLzC0PRPyORuQOMbgU=",
+        "lastModified": 1722709906,
+        "narHash": "sha256-I27FkJ3qSsxc5aZSwpYHMqJwLpvQt6eV4MrwGfVjCvM=",
         "owner": "nix-community",
         "repo": "NUR",
-        "rev": "6f645601159190be1c1ecddf14e738d2de45f6b6",
+        "rev": "ac1226f223779364c73f1a450654383768dab1b7",
         "type": "github"
       },
       "original": {